Prepare for libdatadog v18.0.0 (#1053)

Author: morrisonlevi

Cargo.lock

@@ -57,7 +57,7 @@ resolver = "2"
 [workspace.package]
 rust-version = "1.78.0"
 edition = "2021"
-version = "17.0.0"
+version = "18.0.0"
 license = "Apache-2.0"
 
 [profile.dev]